Adecco data breach: 4.3M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2022-05-31
In March 2021, news broke of a massive data breach impacting millions of Adecco customers in South America which was subsequently sold on a popular hacking forum. The breach exposed over 4M unique email addresses as well as genders, dates of birth, marital statuses, phone numbers and passwords stored as bcrypt hashes. Exposed data: email addresses, genders, geographic locations, marital statuses, names, passwords, phone numbers. The breach dates from Jan 3, 2021; Have I Been Pwned loaded it on May 31, 2022.
What to do
- If you had a Adecco account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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